153 	task_t		task,  in ipc_task_init()  argument
171 	task->itk_self = kport;  in ipc_task_init()
172 	task->itk_sself = ipc_port_make_send(kport);  in ipc_task_init()
173 	task->itk_space = space;  in ipc_task_init()
174 	space->is_task = task;  in ipc_task_init()
178 			task->exc_actions[i].port = IP_NULL;  in ipc_task_init()
180 		task->exc_actions[EXC_MACH_SYSCALL].port =   in ipc_task_init()
182 		task->itk_bootstrap = IP_NULL;  in ipc_task_init()
184 			task->itk_registered[i] = IP_NULL;  in ipc_task_init()
192 			task->itk_registered[i] =  in ipc_task_init()
198 		    task->exc_actions[i].port =  in ipc_task_init()
200 		    task->exc_actions[i].flavor =  in ipc_task_init()
202 		    task->exc_actions[i].behavior =   in ipc_task_init()
205 		task->itk_bootstrap =  in ipc_task_init()
222 	task_t		task)  in ipc_task_enable()  argument
226 	itk_lock(task);  in ipc_task_enable()
227 	kport = task->itk_self;  in ipc_task_enable()
229 		ipc_kobject_set(kport, (ipc_kobject_t) task, IKOT_TASK);  in ipc_task_enable()
230 	itk_unlock(task);  in ipc_task_enable()
243 	task_t		task)  in ipc_task_disable()  argument
247 	itk_lock(task);  in ipc_task_disable()
248 	kport = task->itk_self;  in ipc_task_disable()
251 	itk_unlock(task);  in ipc_task_disable()
265 	task_t		task)  in ipc_task_terminate()  argument
270 	itk_lock(task);  in ipc_task_terminate()
271 	kport = task->itk_self;  in ipc_task_terminate()
275 		itk_unlock(task);  in ipc_task_terminate()
279 	task->itk_self = IP_NULL;  in ipc_task_terminate()
280 	itk_unlock(task);  in ipc_task_terminate()
284 	if (IP_VALID(task->itk_sself))  in ipc_task_terminate()
285 		ipc_port_release_send(task->itk_sself);  in ipc_task_terminate()
288 		if (IP_VALID(task->exc_actions[i].port)) {  in ipc_task_terminate()
289 			ipc_port_release_send(task->exc_actions[i].port);  in ipc_task_terminate()
292 	if (IP_VALID(task->itk_bootstrap))  in ipc_task_terminate()
293 		ipc_port_release_send(task->itk_bootstrap);  in ipc_task_terminate()
296 		if (IP_VALID(task->itk_registered[i]))  in ipc_task_terminate()
297 			ipc_port_release_send(task->itk_registered[i]);  in ipc_task_terminate()
301 	if (!task->kernel_loaded)  in ipc_task_terminate()
302 		ipc_space_destroy(task->itk_space);  in ipc_task_terminate()
451 	register task_t		task)  in retrieve_task_self_fast()  argument
455 	assert(task == current_task());  in retrieve_task_self_fast()
457 	itk_lock(task);  in retrieve_task_self_fast()
458 	assert(task->itk_self != IP_NULL);  in retrieve_task_self_fast()
460 	if ((port = task->itk_sself) == task->itk_self) {  in retrieve_task_self_fast()
462 		itk_unlock(task);  in retrieve_task_self_fast()
469 		itk_unlock(task);  in retrieve_task_self_fast()
526 	task_t task = current_task();  in mach_task_self()  local
530 	sright = retrieve_task_self_fast(task);  in mach_task_self()
599 	task_t		task,  in task_get_special_port()  argument
605 	if (task == TASK_NULL)  in task_get_special_port()
610 		port = ipc_port_copy_send(task->itk_sself);  in task_get_special_port()
614 		port = ipc_port_make_send(task->itk_nself);  in task_get_special_port()
618 		port = ipc_port_copy_send(task->itk_host);  in task_get_special_port()
622 			port = ipc_port_copy_send(task->itk_bootstrap);  in task_get_special_port()
626 		port = ipc_port_copy_send(task->itk_seatbelt);  in task_get_special_port()
630 		port = ipc_port_copy_send(task->itk_task_access);  in task_get_special_port()
634 		port = ipc_port_copy_send(task->itk_debug_control);  in task_get_special_port()
661 	task_t		task,  in task_set_special_port()  argument
669 	printf("task_set_special_port(task=%p, which=%d, port=%p)\n",task, which, port);  in task_set_special_port()
672 	if (task == TASK_NULL)  in task_set_special_port()
677 		whichp = &task->itk_sself;  in task_set_special_port()
680 		whichp = &task->itk_host;  in task_set_special_port()
683 		whichp = &task->itk_bootstrap;  in task_set_special_port()
686 		whichp = &task->itk_seatbelt;  in task_set_special_port()
689 		whichp = &task->itk_task_access;  in task_set_special_port()
692 		whichp = &task->itk_debug_control;  in task_set_special_port()
700 			itk_unlock(task);  in task_set_special_port()
703 	itk_lock(task);  in task_set_special_port()
704 	if (task->itk_self == IP_NULL) {  in task_set_special_port()
705 		itk_unlock(task);  in task_set_special_port()
711 	itk_unlock(task);  in task_set_special_port()
740 	task_t			task,  in mach_ports_register()  argument
747 	if ((task == TASK_NULL) ||  in mach_ports_register()
760 	itk_lock(task);  in mach_ports_register()
761 	if (task->itk_self == IP_NULL) {  in mach_ports_register()
762 		itk_unlock(task);  in mach_ports_register()
774 		old = task->itk_registered[i];  in mach_ports_register()
775 		task->itk_registered[i] = ports[i];  in mach_ports_register()
779 	itk_unlock(task);  in mach_ports_register()
813 	task_t			task,  in mach_ports_lookup()  argument
822 	if (task == TASK_NULL)  in mach_ports_lookup()
831 	itk_lock(task);  in mach_ports_lookup()
832 	if (task->itk_self == IP_NULL) {  in mach_ports_lookup()
833 		itk_unlock(task);  in mach_ports_lookup()
847 		ports[i] = ipc_port_copy_send(task->itk_registered[i]);  in mach_ports_lookup()
849 	itk_unlock(task);  in mach_ports_lookup()
871 	task_t task = TASK_NULL;  in convert_port_to_task()  local
879 		r = ref_task_port_locked(port, &task);  in convert_port_to_task()
883 	return task;  in convert_port_to_task()
889 	task_t task;  in ref_task_port_locked()  local
891 	task = TASK_NULL;  in ref_task_port_locked()
894 		task = (task_t) port->ip_kobject;  in ref_task_port_locked()
895 		assert(task != TASK_NULL);  in ref_task_port_locked()
902 		if (!task_lock_try(task)) {  in ref_task_port_locked()
906 		task->ref_count++;  in ref_task_port_locked()
907 		task_unlock(task);  in ref_task_port_locked()
909 	*ptask = task;  in ref_task_port_locked()
981 	task_t task;  in convert_port_to_map()  local
984 	task = convert_port_to_task(port);  in convert_port_to_map()
986 	if (task == TASK_NULL)  in convert_port_to_map()
989 	map = &task->itk_p->p_vmspace->vm_map;  in convert_port_to_map()
990 	task_deallocate(task);  in convert_port_to_map()
1059 	task_t		task)  in convert_task_to_port()  argument
1063 	itk_lock(task);  in convert_task_to_port()
1064 	if (task->itk_self != IP_NULL)  in convert_task_to_port()
1065 		port = ipc_port_make_send(task->itk_self);  in convert_task_to_port()
1068 	itk_unlock(task);  in convert_task_to_port()
1070 	task_deallocate(task);  in convert_task_to_port()
1191 	task_t				task,  in task_set_exception_ports()  argument
1200 	if (task == TASK_NULL) {  in task_set_exception_ports()
1222         itk_lock(task);  in task_set_exception_ports()
1223         if (task->itk_self == IP_NULL) {  in task_set_exception_ports()
1224                 itk_unlock(task);  in task_set_exception_ports()
1230 			old_port[i] = task->exc_actions[i].port;  in task_set_exception_ports()
1231 			task->exc_actions[i].port =  in task_set_exception_ports()
1233 			task->exc_actions[i].behavior = new_behavior;  in task_set_exception_ports()
1234 			task->exc_actions[i].flavor = new_flavor;  in task_set_exception_ports()
1242         itk_unlock(task);  in task_set_exception_ports()
1371 	task_t				task,  in task_swap_exception_ports()  argument
1387 	if (task == TASK_NULL)  in task_swap_exception_ports()
1408 	itk_lock(task);  in task_swap_exception_ports()
1409 	if (task->itk_self == IP_NULL) {  in task_swap_exception_ports()
1410 		itk_unlock(task);  in task_swap_exception_ports()
1423 				if (task->exc_actions[i].port == ports[j] &&  in task_swap_exception_ports()
1424 				  task->exc_actions[i].behavior == behaviors[j]  in task_swap_exception_ports()
1425 				  && task->exc_actions[i].flavor == flavors[j])  in task_swap_exception_ports()
1434 				ipc_port_copy_send(task->exc_actions[i].port);  in task_swap_exception_ports()
1435 				behaviors[j] = task->exc_actions[i].behavior;  in task_swap_exception_ports()
1436 				flavors[j] = task->exc_actions[i].flavor;  in task_swap_exception_ports()
1439 			old_port[i] = task->exc_actions[i].port;  in task_swap_exception_ports()
1440 			task->exc_actions[i].port =  in task_swap_exception_ports()
1442 			task->exc_actions[i].behavior = new_behavior;  in task_swap_exception_ports()
1443 			task->exc_actions[i].flavor = new_flavor;  in task_swap_exception_ports()
1455 	itk_unlock(task);  in task_swap_exception_ports()
1545 	task_t				task,  in task_get_exception_ports()  argument
1557 	if (task == TASK_NULL)  in task_get_exception_ports()
1564 	itk_lock(task);  in task_get_exception_ports()
1565 	if (task->itk_self == IP_NULL) {  in task_get_exception_ports()
1566 		itk_unlock(task);  in task_get_exception_ports()
1579 				if (task->exc_actions[i].port == ports[j] &&  in task_get_exception_ports()
1580 				  task->exc_actions[i].behavior == behaviors[j]  in task_get_exception_ports()
1581 				  && task->exc_actions[i].flavor == flavors[j])  in task_get_exception_ports()
1590 				  ipc_port_copy_send(task->exc_actions[i].port);  in task_get_exception_ports()
1591 				behaviors[j] = task->exc_actions[i].behavior;  in task_get_exception_ports()
1592 				flavors[j] = task->exc_actions[i].flavor;  in task_get_exception_ports()
1601 	itk_unlock(task);  in task_get_exception_ports()